Finding the Fourth Proportional to 57,493.82, 79,340.56 and 31,999.88

Step by Step Solution

1. Step 1: Write the proportion equation
   57,493.82 : 79,340.56 = 31,999.88 : x
2. Step 2: Convert to fraction form
   57,493.82/79,340.56 = 31,999.88/x
3. Step 3: Cross multiply
   57,493.82x = 79,340.56 × 31,999.88
4. Step 4: Simplify right side
   57,493.82x = 2,538,887,922.43
5. Step 5: Solve for x
   x = 2,538,887,922.43/57,493.82
6. Step 6: Final answer
   x = 44,159.32